Question about ASUS P5N-E SLI Motherboard

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RAM Question Ok so i have ram currently installed and functional (2 2gb sticks) which i believe run at 1.8v I want to but more ram but what i am looking at getting runs at 2.2v. My particular mobo runs my ram at a auto configure option which is currently enabled. My question is can i use both sets of ram at the same time smoothly or will i have to buy ram with the same specs? (They are both ddr2 800 pc 2700 or whatever it is my comp uses, just different timing and voltage)

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I suggest getting all of the same specs.
Getting this other RAM will still work, it is recommended you get the exact same specs for all of the RAM

Hope this helps

Have a great day

Posted on Jan 29, 2009

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If you run them together both  will run at the one with the lowest speed and timing of either.

Posted on Jan 29, 2009

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SOURCE: why cant i get my

Be sure to check which slots you are putting them in, stay within the same colors as to which needs to be put in.

This may be why, looks like your using DDR2
DDR2 1066MHz DIMMs work only on the black slots for one DIMM per channel. Ensure to install the DDR2 1066MHz DIMMs ONLY on the BLACK slots!

This may be the case for all speeds of DDR2
http://www.asus.com/Motherboards/Intel_Socket_775/P5QC/

Posted on Jul 16, 2011

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Posted on Jan 02, 2017

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1 Answer

Ram compatibilty


Yes you can but the higher spec DDR2/800 RAM will run at at lower speed same as the DDR2/ 667 RAM.
When you install the DDR2/800 RAM and the BIOS only detects 1Gb of RAM then this RAM is not compatible with the 1st RAM module. In this case use RAM module that is the same make and speed as the original RAM module.

May 03, 2012 | Computers & Internet

1 Answer

I want to upgrade my computer specs... hope you can help me.. CPU: intel core2 duo E4600 2.4Ghz/800Mhz/2mb L2 cache/65MOnm MOBO: elite 945GCT -M2/1333 (v1.0), 1945GC/C2D/1333MHZ/DDR2 667/PCI-E memory:...


If you are a "gamer" and you have 1GB of RAM, and you have Windows XP, you probably need more RAM.
If you are a "gamer" and you have 1GB of RAM, and you have Windows Vista or Windows 7, you DEFINITELY need more RAM.

Some motherboards support "dual-channel" mode, when you have 2 or 4 _IDENTICAL_ sticks of RAM. What happens is that each byte written to the RAM is "split" into 2 halves; one half is written to the 'A' stick of RAM, while, simultaneously, the other half is written to the 'B' stick of RAM. Obviously, this takes 4 "cycles" of the RAM, rather than taking 8 "cycles", if there was only one stick of RAM. So, your RAM seems to run at "double-speed".

So, when you buy more RAM, either try very hard to "match" your current 1GB stick of RAM, or purchase a "2GB dual-channel kit", or two "2GB dual-channel kits", to upgrade to 2GB (or 4GB) of RAM.

Aug 04, 2011 | EliteGroup ECS 945GCT-M/1333 Motherboard -...

1 Answer

Not able to install xp in compaq presario sg128il


One possible reason you may not be able to install Win XP in your laptop is lack of RAM memory.

Windows XP usually needs an absolute minimum of 256 MB of RAM to install, and would run much better with 500 MB or more. Depending on your current hardware setup, you may not have enough RAM installed to support that operating system.

One good and easy way to find out for sure how much RAM your machine has and can possibly hold is to go to WWW.CRUCIAL.COM and run their SCAN MY COMPUTER feature.

This handy utility will scan your computer's hardware configuration and tell you exactly how much RAM you currently have installed and what type it is.

It will also tell you how many RAM slots are fitted on your motherboard and what the maximum memory capacity is for each slot and the total for that motherboard.

If your computer does have room to add more RAM, it will provide you with specific recommendations as to exactly what type and size of RAM stick to get in order to maximize the memory capacity and performance of your computer.

I hope that was helpful to you, good luck.

If you choose to rate this solution using the Thumbs Up scale provided, I thank you very much for your time and consideration.

Joe.

Jul 22, 2011 | Compaq (325489-001) for presario 3000...

1 Answer

Can I install more than 512mb of memory on a Presario s5300nx. I actually want to do 2gb or more. If so, how can i safely do it w/o messing up my computer. Thank you.


> I want to do 2GB or more.

As the Rolling Stones sang, "you can't always get what you want".

See: http://www.memorystock.com/ram/CompaqPresarios5300nxRAM.html

which states that your motherboard has 2 RAM slots, with a maximum of 512MB per slot.

So, how many RAM slots currently are empty, and how much RAM is installed?

If you currently have 2 sticks, at 256MB/stick, you will need to remove both sticks, and install two new sticks.

If you currently have 512MB of RAM, and one empty slot, then that web-page describes the exact type of RAM that you can insert into that empty slot.

Jun 26, 2011 | Computers & Internet

1 Answer

My motherboard cant see the 512 ram


sometimes, the apg card video ram, especially with ati rage cards, takes away from the maximum visible system ram on 815 chipsets- which is normally right at 512mb. the motherboard also might be limited on what archetecture of ram is being used. i believe an 815 ram controller an only recognize 4 ram banks at once, each bank being a side of as stick . if you have 3 double sided sticks, the first 2 may be occupying your ram controller (2 sticksx2sides=4), leaving no room for the third. those old boards are real picky about ram sticks, some just arent compatible.

try changing your video card, try using single sided ram sticks, or just plain different ram sticks.

Jan 31, 2011 | Gigabyte GA-6OX Motherboard

1 Answer

I currently Have I Gig of Ram. I am trying to install 2 x 1 Gig of Matched Ram in the Correct slots but the computer will not boot up with 2 sticks of Ram. If I take either one out it boots up fine


What slots you put the RAM into can make a difference - Assuming you have more than 2 slots, try staggering the RAM placement so there's an empty slot between the 2 RAM sticks. You'd have to look up your motherboard model online to see what specific instructions there are.

Jan 12, 2011 | Intel D945GPM Motherboard

1 Answer

Hey, I have an ECS GF8200a with ddr2 1066mhz 2gx2 ram from team Xtreem. Ram will only run at 800mhz, ? everything seems up to date like drivers etc.


The speed of system RAM is dependent upon the RAM itself for the most part. Check the label on the RAM sticks as this will indicate the speed of the sticks. Also, the system will only ever run system RAM at the speed of the slowest stick. So if you have two sticks, one rated at 800Mhz and one at 666Mhz, then the system RAM speed will be at the lower 666Mhz speed for both sticks. I would guess that the sticks you have installed will not run at the highest bus speed of 1066Mhz. The RAM controller may also be detecting that running the RAM at the higher speed may or will cause system instability and is reducing the speed to maintain a stable system.

May 21, 2010 | EliteGroup ECS Socket AM2+/ GeForce 8200/...

1 Answer

Asus p5 vdc-x motherboard not recognizing ddr2


Ok i am just guessing here

maybe your motherboard does not support

ddr2 rams and hence it wont boot up as it does not detect any ram in the slots......

try to boot with one old and one new ram (ddr and ddr2) and post the result

are you sure whether the ddr2 ram is supported?

Jun 30, 2009 | ASUS P5VDC-X Motherboard

2 Answers

How can i increase my ram in intel desktop board 815


Hey,

Ram can not be increased as it is a hardware component in the computer, you can install more ram or upgrade the current ram modules that are inside the computer.

Feb 24, 2009 | Intel Motherboard

1 Answer

Memory


Ok well there could be a few things going on here. It is possible that A: your third stick is damaged which I'm assuming you dismissed through your installation of one at a time, B: the third dimm slot is damaged and is unusable, C: the dimm slot is turned off in your bios. 

Now looking at the Shuttle A161 motherboard it would appear you have a primary dimm slot and then expansion dimm slots (technically these are called the controller dimm slot and the estensions) 

The controller slot which is offeset from the other two should have your largest ram, make sure the ram you stick in this slot isn't a stick that requires dual recognition. Some ram is designed to work in a pair even in the early PC100 class ram. Most PC100 ram you'll find now requires the sticks to work in pairs and the ram is coded for this. (Especially since PC100 is on its way out very fast.) The expansion slots can be fitted with a pair that will work together. I doubt that your third and primary slot is turned off as it is the controller slot. If none of your ram works in this slot replace the old ram in to this slot and just use the two expansion slots. It may not be as much ram as you want but the motherboard has presets that are just problematic. 

My general advice however is, that if you're running this motherboard which is fairly out of date, I'd upgrade to a new computer. Buying a cheap Dell desktop or even a barebones off of newegg.com and transfering your current Harddrive and what not over would probably be easier for you and will carry you for the next five years or so.

Sep 12, 2008 | Shuttle Computers & Internet

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